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initrd/bin/unseal-hotp: Prevent script errors if unseal fails

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If the secret can't be unsealed, die immediately rather than continuing
on to generate errors.

Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
This commit is contained in:
Jonathon Hall 2023-08-31 17:15:24 -04:00
parent 8272d33e7c
commit 4d7c1cb388
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GPG Key ID: 1E9C3CA91AE25114
1 changed files with 1 additions and 1 deletions
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initrd/bin/unseal-hotp
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@ -39,7 +39,7 @@ fi
#counter_value=$(printf "%d" 0x${counter_value})
if [ "$CONFIG_TPM" = "y" ]; then
DEBUG "Unsealing HOTP secret reuses TOTP sealed secret..."
tpmr unseal 4d47 0,1,2,3,4,7 312 "$HOTP_SECRET"
tpmr unseal 4d47 0,1,2,3,4,7 312 "$HOTP_SECRET" || die "Unable to unseal HOTP secret"
else
# without a TPM, generate a secret based on the SHA-256 of the ROM
secret_from_rom_hash > "$HOTP_SECRET" || die "Reading ROM failed"